Forbes Dec. 2014: $82 million
Billboard March 2014: $29,436,801.04
Forbes june 2013: $79 million
Forbes May 2012: $60 million
Billboard March 2012: $15.8 million
Earnings based on the ticket sales during the 2010 tour, according to music trade publication Pollstar.
$148.8 million in 2011
$201.1 million in 2010